William Wentworth (1790–1872) was an Australian statesman, explorer, barrister, newspaper publisher, politician and landowner.
William Wentworth may also refer to:
Ordered chronologically William Wentworth, 2nd Earl of Strafford (1626–1695), United Kingdom peer, 2nd Earl of Strafford William Wentworth, 2nd Earl of Strafford (1722–1791), United Kingdom peer, 2nd Earl of Strafford of a later creation William Wentworth (elder) (1616–1697), ancestor of most North American Wentworths William P. Wentworth (1839–1896), American architect Bill Wentworth (1907–2003; William Charles Wentworth), Australian politician, first federal Minister for Aboriginal Affairs